test_product.py

import datetime

from mock import Mock
import pytest

from django.core.urlresolvers import reverse
from django.utils.encoding import smart_text

from saleor.cart.models import Cart
from saleor.cart import CartStatus, utils
from saleor.product import models
from saleor.product.models.utils import get_attributes_display_map
from saleor.product.utils import get_availability
from tests.utils import filter_products_by_attribute


@pytest.fixture()
def product_with_no_attributes(product_class):
    product = models.Product.objects.create(
        name='Test product', price='10.00',
        product_class=product_class)
    return product


def test_stock_selector(product_in_stock):
    variant = product_in_stock.variants.get()
    preferred_stock = variant.select_stockrecord(5)
    assert preferred_stock.quantity_available >= 5


def test_stock_allocator(product_in_stock):
    variant = product_in_stock.variants.get()
    stock = variant.select_stockrecord(5)
    assert stock.quantity_allocated == 0
    models.Stock.objects.allocate_stock(stock, 1)
    stock = models.Stock.objects.get(pk=stock.pk)
    assert stock.quantity_allocated == 1


def test_decrease_stock(product_in_stock):
    stock = product_in_stock.variants.first().stock.first()
    stock.quantity = 100
    stock.quantity_allocated = 80
    stock.save()
    models.Stock.objects.decrease_stock(stock, 50)
    stock.refresh_from_db()
    assert stock.quantity == 50
    assert stock.quantity_allocated == 30


def test_deallocate_stock(product_in_stock):
    stock = product_in_stock.variants.first().stock.first()
    stock.quantity = 100
    stock.quantity_allocated = 80
    stock.save()
    models.Stock.objects.deallocate_stock(stock, 50)
    stock.refresh_from_db()
    assert stock.quantity == 100
    assert stock.quantity_allocated == 30


def test_product_page_redirects_to_correct_slug(client, product_in_stock):
    uri = product_in_stock.get_absolute_url()
    uri = uri.replace(product_in_stock.get_slug(), 'spanish-inquisition')
    response = client.get(uri)
    assert response.status_code == 301
    location = response['location']
    if location.startswith('http'):
        location = location.split('http://testserver')[1]
    assert location == product_in_stock.get_absolute_url()


def test_product_preview(admin_client, client, product_in_stock):
    product_in_stock.available_on = (
        datetime.date.today() + datetime.timedelta(days=7))
    product_in_stock.save()
    response = client.get(product_in_stock.get_absolute_url())
    assert response.status_code == 404
    response = admin_client.get(product_in_stock.get_absolute_url())
    assert response.status_code == 200


def test_availability(product_in_stock, monkeypatch, settings):
    availability = get_availability(product_in_stock)
    assert availability.price_range == product_in_stock.get_price_range()
    assert availability.price_range_local_currency is None
    monkeypatch.setattr(
        'django_prices_openexchangerates.models.get_rates',
        lambda c: {'PLN': Mock(rate=2)})
    settings.DEFAULT_COUNTRY = 'PL'
    settings.OPENEXCHANGERATES_API_KEY = 'fake-key'
    availability = get_availability(product_in_stock, local_currency='PLN')
    assert availability.price_range_local_currency.min_price.currency == 'PLN'
    assert availability.available


def test_filtering_by_attribute(db, color_attribute):
    product_class_a = models.ProductClass.objects.create(
        name='New class', has_variants=True)
    product_class_a.product_attributes.add(color_attribute)
    product_class_b = models.ProductClass.objects.create(name='New class',
                                                         has_variants=True)
    product_class_b.variant_attributes.add(color_attribute)
    product_a = models.Product.objects.create(
        name='Test product a', price=10,
        product_class=product_class_a)
    models.ProductVariant.objects.create(product=product_a, sku='1234')
    product_b = models.Product.objects.create(
        name='Test product b', price=10,
        product_class=product_class_b)
    variant_b = models.ProductVariant.objects.create(product=product_b,
                                                     sku='12345')
    color = color_attribute.values.first()
    color_2 = color_attribute.values.last()
    product_a.set_attribute(color_attribute.pk, color.pk)
    product_a.save()
    variant_b.set_attribute(color_attribute.pk, color.pk)
    variant_b.save()

    filtered = filter_products_by_attribute(models.Product.objects.all(),
                                            color_attribute.pk, color.pk)
    assert product_a in list(filtered)
    assert product_b in list(filtered)

    product_a.set_attribute(color_attribute.pk, color_2.pk)
    product_a.save()
    filtered = filter_products_by_attribute(models.Product.objects.all(),
                                            color_attribute.pk, color.pk)
    assert product_a not in list(filtered)
    assert product_b in list(filtered)
    filtered = filter_products_by_attribute(models.Product.objects.all(),
                                            color_attribute.pk, color_2.pk)
    assert product_a in list(filtered)
    assert product_b not in list(filtered)


def test_view_invalid_add_to_cart(client, product_in_stock, request_cart):
    variant = product_in_stock.variants.get()
    request_cart.add(variant, 2)
    response = client.post(
        reverse(
            'product:add-to-cart',
            kwargs={
                'slug': product_in_stock.get_slug(),
                'product_id': product_in_stock.pk}),
        {})
    assert response.status_code == 200
    assert request_cart.quantity == 2


def test_view_add_to_cart(client, product_in_stock, request_cart):
    variant = product_in_stock.variants.get()
    request_cart.add(variant, 1)
    response = client.post(
        reverse(
            'product:add-to-cart',
            kwargs={'slug': product_in_stock.get_slug(),
                    'product_id': product_in_stock.pk}),
        {'quantity': 1, 'variant': variant.pk})
    assert response.status_code == 302
    assert request_cart.quantity == 1


def test_adding_to_cart_with_current_user_token(
        admin_user, admin_client, product_in_stock):
    client = admin_client
    key = utils.COOKIE_NAME
    cart = Cart.objects.create(user=admin_user)
    variant = product_in_stock.variants.first()
    cart.add(variant, 1)

    response = client.get('/cart/')
    utils.set_cart_cookie(cart, response)
    client.cookies[key] = response.cookies[key]

    client.post(
        reverse('product:add-to-cart',
                kwargs={'slug': product_in_stock.get_slug(),
                        'product_id': product_in_stock.pk}),
        {'quantity': 1, 'variant': variant.pk})

    assert Cart.objects.count() == 1
    assert Cart.objects.get(user=admin_user).pk == cart.pk


def test_adding_to_cart_with_another_user_token(
        admin_user, admin_client, product_in_stock, customer_user):
    client = admin_client
    key = utils.COOKIE_NAME
    cart = Cart.objects.create(user=customer_user)
    variant = product_in_stock.variants.first()
    cart.add(variant, 1)

    response = client.get('/cart/')
    utils.set_cart_cookie(cart, response)
    client.cookies[key] = response.cookies[key]

    client.post(
        reverse('product:add-to-cart',
                kwargs={'slug': product_in_stock.get_slug(),
                        'product_id': product_in_stock.pk}),
        {'quantity': 1, 'variant': variant.pk})

    assert Cart.objects.count() == 2
    assert Cart.objects.get(user=admin_user).pk != cart.pk


def test_anonymous_adding_to_cart_with_another_user_token(
        client, product_in_stock, customer_user):
    key = utils.COOKIE_NAME
    cart = Cart.objects.create(user=customer_user)
    variant = product_in_stock.variants.first()
    cart.add(variant, 1)

    response = client.get('/cart/')
    utils.set_cart_cookie(cart, response)
    client.cookies[key] = response.cookies[key]

    client.post(
        reverse('product:add-to-cart',
                kwargs={'slug': product_in_stock.get_slug(),
                        'product_id': product_in_stock.pk}),
        {'quantity': 1, 'variant': variant.pk})

    assert Cart.objects.count() == 2
    assert Cart.objects.get(user=None).pk != cart.pk


def test_adding_to_cart_with_deleted_cart_token(
        admin_user, admin_client, product_in_stock):
    client = admin_client
    key = utils.COOKIE_NAME
    cart = Cart.objects.create(user=admin_user)
    old_token = cart.token
    variant = product_in_stock.variants.first()
    cart.add(variant, 1)

    response = client.get('/cart/')
    utils.set_cart_cookie(cart, response)
    client.cookies[key] = response.cookies[key]
    cart.delete()

    client.post(
        reverse('product:add-to-cart',
                kwargs={'slug': product_in_stock.get_slug(),
                        'product_id': product_in_stock.pk}),
        {'quantity': 1, 'variant': variant.pk})

    assert Cart.objects.count() == 1
    assert not Cart.objects.filter(token=old_token).exists()


def test_adding_to_cart_with_closed_cart_token(
        admin_user, admin_client, product_in_stock):
    client = admin_client
    key = utils.COOKIE_NAME
    cart = Cart.objects.create(user=admin_user)
    variant = product_in_stock.variants.first()
    cart.add(variant, 1)
    cart.change_status(CartStatus.ORDERED)

    response = client.get('/cart/')
    utils.set_cart_cookie(cart, response)
    client.cookies[key] = response.cookies[key]

    client.post(
        reverse('product:add-to-cart',
                kwargs={'slug': product_in_stock.get_slug(),
                        'product_id': product_in_stock.pk}),
        {'quantity': 1, 'variant': variant.pk})

    assert Cart.objects.filter(
        user=admin_user, status=CartStatus.OPEN).count() == 1
    assert Cart.objects.filter(
        user=admin_user, status=CartStatus.ORDERED).count() == 1


def test_get_attributes_display_map(product_in_stock):
    attributes = product_in_stock.product_class.product_attributes.all()
    attributes_display_map = get_attributes_display_map(
        product_in_stock, attributes)

    product_attr = product_in_stock.product_class.product_attributes.first()
    attr_value = product_attr.values.first()

    assert len(attributes_display_map) == 1
    assert attributes_display_map == {product_attr.pk: attr_value}


def test_get_attributes_display_map_empty(product_with_no_attributes):
    product = product_with_no_attributes
    attributes = product.product_class.product_attributes.all()

    assert get_attributes_display_map(product, attributes) == {}


def test_get_attributes_display_map_no_choices(product_in_stock):
    attributes = product_in_stock.product_class.product_attributes.all()
    product_attr = attributes.first()

    product_in_stock.set_attribute(product_attr.pk, -1)
    attributes_display_map = get_attributes_display_map(
        product_in_stock, attributes)

    assert attributes_display_map == {product_attr.pk: smart_text(-1)}